Abis over IP

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1、GSMSolutionforIPRANAccessAbisoverIPIP-basedapplicationsintheBSCBTSandOSSarenottheonlystakeholdersintheBSCforIPaddressingThefeatureAbisoverIPPacketAbis,SystemoverviewE1/T1(toRBSsnotconnectedviaIP)RIP/EthernetSync.ServerTRHGSTRAETCBSCPGWGPHEthernetbackplaneBSCLANSwitchesPSTUMicroRBS(06A)*I

2、P/EthernetIXUTRUTRURPico/FemtoRBS(07A)*RBS2308/2109/2309SIUMacroRBS*(07B)DXUTRUTRU*RBS2xx6NewSWNewHW&SWMacroRBS*(06A)DXUTRUTRU*RBS2xx6AbisoverIP,Theprinciplen*E1ConnectionsonSuperChannelsIPpacketsampleIXU/DXUPGWPSTU/SIUIPtransportIPpacketsIPoverEthernetIPoverEthernetConfigurationofPacket

3、SizeSampleTimePGWAbisoverIP,Protocoloverview,cont.E1/T1TFP/P-GSLE1/T1HDLCFramesEthernetIPL2TPv3+BTSSTNL2TPv3+IPEthernetTFP/P-GSLBPProceduresbasedonIETFRFC3931withEricssonextensions(L2TPv3+).BPHDLCFramesProtocoloverviewAbisframe(40B)Optimisedframe(10-36B)HeaderOptimisationAbispathtoTS(e.g

4、.voicechannel)OptHOpt.HOptH…BundlingheaderBundlingOptHOptHOptH…BundlingheaderIPv4+L2TPTransportpackinginIPAbispathstoTGAbispathstoTGorclusterofTGsAbisoverIPtrafficEthernetEthernetoverheadIPandL2TPheaderLAPDspeechpacketLAPD(E)GPRSpacketLAPDsignallingpacketOperation&MaintenanceAbisoverIPO

5、&M,Overview1)BSC<->BTSTrafficO&M2)OSS<->BSC&BTSO&M3)OSS<->BSCLANSwitchO&M4)OSS<->STN/BTSO&M5)OSS<->NTPServerO&MAbisoverIPIPNetworkBSCNIBSCNIBSCAXESTNBTSDXUn*E1/T1n*E1/T1OSS2)1)3)4)O&MIPNetworkBTSDXUSTNBTSDXUSTNn*E1/T1SynchServer6)NI=NetworkInterfaceSeGw5)6)OSS<>SecurityGatewayAbisoverIPO

6、SSinterfacesO&MNetworkOSSMasterServerSTNBTSDXUDXUn*E1/T1SFTP•SNMP•SSH+CLIBSCNIBSC,AXEPGW•SNMP•SSH/Telnet+CLI•SSH/Telnet+MML•SFTP/FTPSynchServer•SNMP•SSH+CLI•SSH+rsync•SSH+nfsSMRSSlaveNFSSMRSSlaveSMRSMasterOSSSTNBSCBSCLanSwitchARNE/ONRMBCMWizardAXEElementManagementToolAdministrativetopolo

7、gyhandlingTGconfigurationAXECommandsendingdefinedbyDTTG(IPTransport)AllSTNConfigurationBSCLanSwitch(IP)BSCConfigurationDT-FileorOperationalflowAIPCMITheAbisoverIPCMApplicationIPtransportviewStatusviewAbisoverIP,AdministrationOSSconfigurationSIUconfigurationusingCLIorSFTP(